A:
Positive:
1 x 506513155 x 1013026311 x 460466513 x 389625555 x 92093365 x 779251143 x 354205715 x 70841
Negative:
-1 x -50651315-5 x -10130263-11 x -4604665-13 x -3896255-55 x -920933-65 x -779251-143 x -354205-715 x -70841
Unfortunately, there's not simple formula to identifying all of the factors of a number and it can be a tedious process when trying to identify the divisors of larger numbers. To find the factor combinations of the number 50,651,315, it is easier to work with a table - it's called factoring from the outside in.
We start by creating a table and writing 1 on the left side and then the number we're trying to find the factors for on the right side in a table. Then, below that, write the numbers as a negative as well.
| 1 | 50,651,315 | |
| -1 | -50,651,315 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 50,651,315.
Example:
1 x 50,651,315 = 50,651,315
and
-1 x -50,651,315 = 50,651,315
Notice both answers equal 50,651,315
With that explanation out of the way, let's continue. Next, we take the number 50,651,315 and divide it by 2:
50,651,315 ÷ 2 = 25,325,657.5
If the quotient is a whole number, then 2 and 25,325,657.5 are factors. In this case, the quotient is not a whole number. Don't write anything down and try the next divisor.
Here is what our table should look like at this step:
| 1 | 50,651,315 | |
| -1 | -50,651,315 |
Now, we try dividing 50,651,315 by 3:
50,651,315 ÷ 3 = 16,883,771.6667
If the quotient is a whole number, then 3 and 16,883,771.6667 are factors. In this case, the quotient is not a whole number. Don't write anything down and try the next divisor.
Here is what our table should look like at this step:
| 1 | 50,651,315 | |
| -1 | -50,651,315 |
Let's try dividing by 4:
50,651,315 ÷ 4 = 12,662,828.75
If the quotient is a whole number, then 4 and 12,662,828.75 are factors. In this case, the quotient is not a whole number. Don't write anything down and try the next divisor.
Here is what our table should look like at this step:
| 1 | 50,651,315 | |
| -1 | 50,651,315 |
If you did it right, you will end up with this table:
| 1 | 5 | 11 | 13 | 55 | 65 | 143 | 715 | 70,841 | 354,205 | 779,251 | 920,933 | 3,896,255 | 4,604,665 | 10,130,263 | 50,651,315 |
| -1 | -5 | -11 | -13 | -55 | -65 | -143 | -715 | -70,841 | -354,205 | -779,251 | -920,933 | -3,896,255 | -4,604,665 | -10,130,263 | -50,651,315 |
Here are some more numbers to try:
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